Design Of A Low Cost Portable Heart Beats Monitor Using Infrared Sensor

Ahmad Harris, Abd Hamid (2013) Design Of A Low Cost Portable Heart Beats Monitor Using Infrared Sensor. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

A Low Cost Portable Heart Beats Monitor using Infrared Sensor is a medical-related project function as a low cost portable device to measure a heart rate in real-time condition. In this project, Infrared LED and photodiode has been used as a sensor to measure a heart rate and a microcontroller act as controller to process the input and output of the device. The development of the prototype as an assist device for a user with has a busy lifestyle to monitor their heart rate at any places. Parallel to this need, the prototype is a portable and low cost design. The development of the prototype starts with the designing the sensor circuit, signal conditioning circuit, voltage regulator circuit and microcontroller circuit. After the functionality test, these circuits will integrate with the output display. The prototype design is able to display the heart rate measurement in beat per minute (BPM) and the condition of heart rate either low heart rate or normal heart rate or high heart rate. Then, the LEDs function as an indicator to shows the normality or abnormality condition.

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